130 



Minerals and geologiecd specimens — Continued. 



Shale, burned, black ferruginous 



Calcareous pumice from burning of limestone. 



B. WHITE BIVER BASIN. 



Bed A. 



Red, sandy, clay, containing pebbles, base of TUan- 



oiherium bed..,.-.. 



Teeth of Titanotherium prouti ^ 



Coarse, whitish, sandstone, above 358 



, do concretionary 



Soft, whitish, calcareous sandstone, with scales of 



mica 



Greenish plastic clay 



do upper part 



Plates of chalcedony 



do 



do 



Fibrous carbonate lime - 



Dark chalcedony 



Magnesite . 



Calcareous concretion separating bed a from bed b. 



Bed B. 



Pinkish, indurated, marl 



Whitish do from over 372 . 



Pinkish calcareous concretion 



Decomposed marl from 372 and 373. .. 

 ,- do do with Oreodon. 



Bed D. 



Cream colored marl 



Silicious limestone, with fresh water shells, Planor- 



bis, Limnea, <Vc . 



Tufaceous, concretionary, limestone 



Cream colored marl, containing Oreodon 



Bed E. 



Soft, white, grit 



Conglomerate, above 381 



, do with granitic pebbles , 



Soft, white, sandstone, with Oreodon 



Calcareous conglomerate 



Conglomerate 



Calcareous concretions in marl, under 386 .., 



Sulphate baryta foliated crystals in 387 , 



Green silicious concretions in limestone, contain- 

 ing fresh water shells , 



do do do.- 



Coarse, whitish, sandstone 



Conglomerate , 



Quartzose conglomerate - - 



White infusorial earth, base of bed e, local , 



do do do.. , 



Yellowstone 

 do.. 



On Shyenne river . 

 Old Woman's fork . 



Shyenne river 



do 



do.. 



do.. 



Sage creek. 

 Bear creek. 



do.. 



do.. 



do.- 



do.. 



do.. 



do.. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 



White river 



.do. 

 .do. 

 .do. 



do.... 



do...- 



do.... 



do.... 



Fort Laramie 

 Bijoux hills... 



do.... 



do.... 



Medicine hills .. 



do 



Bad Land creek. 

 Grand Stone hill 



do 



Running Water . 

 Loup fork , 



Indurated marl, white 



Silicious tufa 



White marl 



Warren's fork . 

 Niobrara river. 

 Loup fork 



